Rajit buys 4 pairs of socks for $2.50 per pair. he pays with a $20 bill.
exactly how much change will he receive? use the appropriate technique(s) to solve the problem.

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?